|
| US4691119 | 20 Jun 1985 | 1 Sep 1987 | Westinghouse Electric Corp. | Permanent magnet alternator power generation system |
| US4728841 | 16 Jun 1986 | 1 Mar 1988 | Sundstrand Corporation | Dual permanent magnet generator construction |
| US8232700 | 19 Dec 2008 | 31 Jul 2012 | Pratt & Whitney Canada Corp. | Multi-rotor electric machine |